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Digital Video and HD
book

Digital Video and HD

by Charles Poynton
January 2003
Intermediate to advanced content levelIntermediate to advanced
736 pages
30h 54m
English
Morgan Kaufmann
Content preview from Digital Video and HD
Michael Brill and Bob Hunt agree
that R, G, and B tristimulus values
have no units. See Hunt, R.W.G.,
"The Heights of the ClE Colour-
Matching Functions," in
Color
Research and Application,
22 (5):
337 (Oct. 1997).
Image science
In image science, luminance is usually normalized to
a range of I (or occasionally 100) with respect to
a specified or implied white reference, and expressed
without units. The term
luminance
is often used as
shorthand to refer to this unitless quantity; however, it
is properly called
relative luminance.
The term
lumi-
nance .factor
should be avoided for this quantity, since
that ...
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Publisher Resources

ISBN: 9781558607927